| 
                    
                     
| Search over one million articles, find something about almost anything!
 |  |  |  |  | 
   |  | 
                    
                     
| 
| Photosynthesis |  | 
... B. van Neil of Stanford University, while investigating photosynthetic bacteria, many of which do not release oxygen. One significant group of such organism are bacteria ... |  |    |